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AS5696 Express Scripts Incorporated

EXPRES - Express Scripts Incorporated · registered in the United States

IPv4 addresses131,84069 prefixes · 0.004% of announced IPv4
Rank in United States#484largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#1,516of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS5696 in ASN lookup Look up an IP in this network (167.18.0.1) All networks in United States

IPv4 prefixes

All 69 prefixes, in address order.

  • 167.18.0.0/21
  • 167.18.8.0/22
  • 167.18.12.0/22
  • 167.18.16.0/21
  • 167.18.24.0/23
  • 167.18.26.0/23
  • 167.18.28.0/22
  • 167.18.32.0/20
  • 167.18.48.0/21
  • 167.18.56.0/21
  • 167.18.64.0/20
  • 167.18.80.0/20
  • 167.18.96.0/20
  • 167.18.112.0/20
  • 167.18.128.0/20
  • 167.18.144.0/22
  • 167.18.148.0/23
  • 167.18.150.0/24
  • 167.18.151.0/24
  • 167.18.152.0/21
  • 167.18.160.0/19
  • 167.18.192.0/20
  • 167.18.208.0/21
  • 167.18.216.0/22
  • 167.18.220.0/24
  • 167.18.221.0/24
  • 167.18.222.0/23
  • 167.18.224.0/19
  • 167.211.0.0/23
  • 167.211.2.0/24
  • 167.211.3.0/24
  • 167.211.4.0/23
  • 167.211.6.0/23
  • 167.211.8.0/24
  • 167.211.9.0/24
  • 167.211.10.0/24
  • 167.211.11.0/24
  • 167.211.12.0/22
  • 167.211.16.0/20
  • 167.211.32.0/19
  • 167.211.64.0/19
  • 167.211.96.0/20
  • 167.211.112.0/20
  • 167.211.128.0/19
  • 167.211.160.0/21
  • 167.211.168.0/22
  • 167.211.172.0/24
  • 167.211.173.0/24
  • 167.211.174.0/24
  • 167.211.175.0/24
  • 167.211.176.0/21
  • 167.211.184.0/22
  • 167.211.188.0/23
  • 167.211.190.0/24
  • 167.211.191.0/24
  • 167.211.192.0/21
  • 167.211.200.0/22
  • 167.211.204.0/24
  • 167.211.205.0/24
  • 167.211.206.0/23
  • 167.211.208.0/23
  • 167.211.210.0/24
  • 167.211.211.0/24
  • 167.211.212.0/22
  • 167.211.216.0/21
  • 167.211.224.0/19
  • 198.27.9.0/24
  • 199.204.156.0/24
  • 199.204.159.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS5719#481 SUNYSB - State University of New York at Stony Brook131,840
AS2013#482 PACIFIC-GAS - PG&E131,840
AS2642#483 LEG-CA-GOV - California Department of Technology131,840
AS22093#485 CCF-NETWORK - Cleveland Clinic Foundation131,840
AS29#486 YALE-AS - Yale University131,584
AS1649#487 DNIC-AS-01649 - Headquarters, USAISC131,584

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources